#include<cstdio>
#include<vector>
using namespace std;
int rmq[18][100002],n,m,lg[100002],a[100002];


int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    int i,j,x,y,l,d,s;
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;++i)
        scanf("%d",&a[i]);
    lg[1]=0;
    for(i=2;i<=n;++i)
        lg[i]=lg[i/2]+1;
    for(i=1;i<=n;++i)
        rmq[0][i]=a[i];
    for(i=1;2*i<=n;++i)
        for(j=1;j<=n-(2*i)+1;++j)
        {
            l=2*(i-1);
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+1]);
        }
    for(i=1;i<=m;++i)
    {
        scanf("%d%d",&x,&y);
        d=y-x+1;
        l=lg[d];
        s=d-2*l;
        printf("%d\n",min(rmq[l][x],rmq[l][x+s]));
    }
    return 0;
}